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Oversampled filter bank for frequency estimation

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4 Author(s)
Ksibi, R. ; Unite de Rech. TECHTRA, Sup'Com, Tunisia ; Cherif, S. ; Besbes, H. ; Lopez-Valcarce, R.

Subband frequency estimation has already been shown to yield better performance than fullband frequency estimation. It should be noted, however that decimation stage in subband filtering imposes limitations on the performance of such filters. In fact, poor performance is obtained for frequencies close to the edges due to decimation. This paper proposes a new subband scheme based on oversampled filter bank for frequency estimation, which reduces the edge problem. Simulation results are included to valid the interest of the proposed scheme.

Published in:

Image and Signal Processing and Analysis, 2009. ISPA 2009. Proceedings of 6th International Symposium on

Date of Conference:

16-18 Sept. 2009